Erhart E. Demand, age 88, of Canton passed away April 13th. Born in Sheboygan Falls, Wisconsin to Erhart Sr and Emma Sass. He was a West Point graduate and served in the Army during the Korean War. He was an engineer at IBM and was a founding engineer of a company in Newton. In his free time he he also enjoyed scuba diving, Beloved husband of Nancy H. Demand. Predeceased by both of their sons, Jeff and Greg Demand. Daughter-in-law Heidi Demand lives in Vermont. Funeral services private.